28451475

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 56058912

約数和(自身を除く): 27607437

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 71, 75, 117, 137, 195, 213, 225, 325, 355, 411, 585, 639, 685, 923, 975, 1065, 1233, 1775, 1781, 2055, 2769, 2925, 3195, 3425, 4615, 5325, 5343, 6165, 8307, 8905, 9727, 10275, 13845, 15975, 16029, 23075, 26715, 29181, 30825, 41535, 44525, 48635, 69225, 80145, 87543, 126451, 133575, 145905, 207675, 243175, 379353, 400725, 437715, 632255, 729525, 1138059, 1896765, 2188575, 3161275, 5690295, 9483825, 28451475]

約数ペア:

[(1, 28451475), (3, 9483825), (5, 5690295), (9, 3161275), (13, 2188575), (15, 1896765), (25, 1138059), (39, 729525), (45, 632255), (65, 437715), (71, 400725), (75, 379353), (117, 243175), (137, 207675), (195, 145905), (213, 133575), (225, 126451), (325, 87543), (355, 80145), (411, 69225), (585, 48635), (639, 44525), (685, 41535), (923, 30825), (975, 29181), (1065, 26715), (1233, 23075), (1775, 16029), (1781, 15975), (2055, 13845), (2769, 10275), (2925, 9727), (3195, 8905), (3425, 8307), (4615, 6165), (5325, 5343)]